pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.52	Datawarrior	0	-1	S=c1ncc2nccnc2[nH]1	S=c1ncc2nccnc2[n-]1	mol9634	S=c1ncc2nccnc2[nH]1
6.51999998092651	QSARToolbox	0	-1	S=c1ncc2nccnc2[nH]1	S=c1ncc2nccnc2[n-]1	mol9634	S=c1ncc2nccnc2[nH]1